/// <summary>
/// Merges two images taking into consideration their alpha values.
/// </summary>
/// <param name="bmpBg">The background Image</param>
/// <param name="bmpTop">The image that goes on top of the background</param>
/// <param name="xBg">Left corner position of background</param>
/// <param name="yBg">Top corner position of the background</param>
/// <param name="xTop">Left corner position of the top image</param>
/// <param name="yTop">Top corner position of the top image</param>
/// <returns>Returns an interface to the image</returns>
IImageAdapterUnmanaged IImageAdapterUnmanaged.Merge(IImageAdapterUnmanaged bmpBg, IImageAdapterUnmanaged bmpTop, int xBg, int yBg, int xTop, int yTop)
{
System.Diagnostics.Debug.WriteLine("Merge() started");
#if DEBUG
ImageUtility.ToImageFile(bmpBg, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "Before_Merge_Bg.png"));
ImageUtility.ToImageFile(bmpTop, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "Before_Merge_Top.png"));
#endif // debug
#if DEBUG
ImageUtility.ToImageFile((IImageAdapter)bmpBg, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "Merge_BgImage.bmp"));
ImageUtility.ToImageFile((IImageAdapter)bmpTop, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "Merge_TopImage.bmp"));
#endif // DEBUG
Rectangle rBg = new Rectangle(xBg, yBg, bmpBg.Width, bmpBg.Height);
Rectangle rTop = new Rectangle(xTop, yTop, bmpTop.Width, bmpTop.Height);
System.Diagnostics.Debug.WriteLine("Merge() \n\nrBg " + rBg.ToString() + "\nrTop " + rTop.ToString());
if (Rectangle.Intersect(rBg, rTop) != rTop)
{
throw new ArgumentOutOfRangeException("Top BMP must be inside Bg one");
}
int maxAlpha = 0;
float bgAlpha = 0;
float topAlpha = 0;
// Copy Color from background image into this (same as cloning bg image into 'this')
ImageAdapter temp = new ImageAdapter((IImageAdapter)bmpBg);
System.Diagnostics.Debug.WriteLine("Merge1() : Before the loop");
for (int x = rBg.Left; x < rBg.Right; x++)
{
for (int y = rBg.Top; y < rBg.Bottom; y++)
{
if (rTop.Contains(x, y))
{
IColor colorBg = bmpBg[x - rBg.Left, y - rBg.Top];
IColor colorTop = bmpTop[x - rTop.Left, y - rTop.Top];
maxAlpha = Math.Max(colorBg.A, colorTop.A);
topAlpha = (float)colorTop.Alpha;
bgAlpha = (float)((1f - colorTop.Alpha) * colorBg.Alpha);
IColor color = new ColorByte((byte)maxAlpha,
(byte)(bgAlpha * colorBg.R + topAlpha * colorTop.R),
(byte)(bgAlpha * colorBg.G + topAlpha * colorTop.G),
(byte)(bgAlpha * colorBg.B + topAlpha * colorTop.B));
temp[x - rBg.Left, y - rBg.Top] = color;
}
}
}
#if DEBUG
ImageUtility.ToImageFile(temp, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "After_Merge_This.png"));
#endif
return((IImageAdapterUnmanaged)temp);
}
/// <summary>
/// Multiply all the pixels with an alpha value.
/// </summary>
/// <param name="alpha">Alpha value(between 0 and 1)</param>
/// <param name="image">BitmapResources to have Alpha applied on</param>
/// <returns>Returns an interface to the image</returns>
IImageAdapterUnmanaged IImageAdapterUnmanaged.ApplySingleAlpha(
double alpha,
IImageAdapterUnmanaged image)
{
#if DEBUG
ImageUtility.ToImageFile(this, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "Before_ApplyAlpha_this.png"));
ImageUtility.ToImageFile(image, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "Before_ApplyAlpha_image.png"));
#endif
if (alpha > 1.0 || alpha < 0.0)
{
throw new ArgumentOutOfRangeException("Alpha must be between 0.0 and 1.0 (this is percentage)");
}
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() started");
IColor argb = ColorByte.Empty;
if ((ImageAdapter)this != (ImageAdapter)image)
{
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() this != image");
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() Before for-loop");
for (int x = 0; x < image.Width; x++)
{
for (int y = 0; y < image.Height; y++)
{
argb = (IColor)image[x, y].Clone();
argb.ExtendedAlpha *= alpha;
this[x, y] = argb;
}
}
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() After for-loop");
}
else
{
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() this == image");
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() Before for-loop");
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
this[x, y].ExtendedAlpha = this[x, y].ExtendedAlpha * alpha;
}
}
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() After for-loop");
}
#if DEBUG
ImageUtility.ToImageFile(this, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "After_ApplyAlpha_Result.png"));
ImageUtility.ToImageFile(image, System.IO.Path.Combine(System.IO.Path.GetTempPath(), "After_ApplyAlpha_Operand.png"));
#endif
System.Diagnostics.Debug.WriteLine("ApplySingleAlpha() ended \n");
return((IImageAdapterUnmanaged)this);
}
/// <summary>
/// Serialize an IImageAdapterUnmananged
/// </summary>
/// <param name="fileName">The filename of the image to be saved</param>
void IImageAdapterUnmanaged.Save(
string fileName)
{
ImageUtility.ToImageFile(this, fileName);
}
private void DoVscanCompare(object asyncData)
{
AsyncData data = asyncData as AsyncData;
if (data == null)
{
throw new ArgumentException("Parameter passed in to the Method not of type AsyncData (or null)", "asyncData");
}
ImageComparator ic = new ImageComparator();
ic.Curve.CurveTolerance.LoadTolerance(data.ToleranceSettings.XmlNodeTolerance);
IImageAdapter masterAdapter = new ImageAdapter(data.MasterImage);
IImageAdapter capturedAdapter = new ImageAdapter(data.CapturedImage);
// compare Master to the Capture image using the Compare overload that will scale the images size accounting for the DPI
data.Result.Succeeded = ic.Compare(masterAdapter, MetadataInfoHelper.GetDpi(masterAdapter), capturedAdapter, MetadataInfoHelper.GetDpi(capturedAdapter), false);
if (data.Result.Succeeded == false)
{
Microsoft.Test.Logging.GlobalLog.LogStatus("Regular comparison failed");
}
// On filaure, check if user whats to filter the image ( IgnoreAntiAliasing will do )
IImageAdapter masterFiltered = null;
IImageAdapter captureFiltered = null;
if (data.Result.Succeeded == false && data.ToleranceSettings.Filter != null)
{
// first save error diff image
string errorDiffName = ".\\ErrorDiff_" + data.Index + IMAGE_EXTENSION;
ImageUtility.ToImageFile(ic.GetErrorDifference(ErrorDifferenceType.IgnoreAlpha), errorDiffName);
Microsoft.Test.Logging.GlobalLog.LogFile(errorDiffName);
// Compare failed, filter the images and retry
Microsoft.Test.Logging.GlobalLog.LogStatus("Filtering and recompare");
masterFiltered = data.ToleranceSettings.Filter.Process(masterAdapter);
captureFiltered = data.ToleranceSettings.Filter.Process(capturedAdapter);
data.Result.Succeeded = ic.Compare(masterFiltered, captureFiltered, false);
if (data.Result.Succeeded == false)
{
Microsoft.Test.Logging.GlobalLog.LogStatus("==> Filtered comparison failed as well");
}
}
if (data.Result.Succeeded)
{
Microsoft.Test.Logging.GlobalLog.LogStatus("Comparison SUCCEEDED.");
}
else
{
// Save Masters * filtered master for easy analysis
string masterName = ".\\Master_" + data.Index + IMAGE_EXTENSION;
data.MasterImage.Save(masterName, System.Drawing.Imaging.ImageFormat.Tiff);
Microsoft.Test.Logging.GlobalLog.LogFile(masterName);
if (masterFiltered != null)
{
string filteredMasterName = ".\\MasterFiltered_" + data.Index + IMAGE_EXTENSION;
using (Bitmap filteredMaster = ImageUtility.ToBitmap(masterFiltered))
{
SetMetadataToImage(filteredMaster);
filteredMaster.Save(filteredMasterName, System.Drawing.Imaging.ImageFormat.Tiff);
}
Microsoft.Test.Logging.GlobalLog.LogFile(filteredMasterName);
}
// Save rendered image (as "Actual_n") for easy analysis
string capturedName = ".\\Actual_" + data.Index + IMAGE_EXTENSION;
data.CapturedImage.Save(capturedName, System.Drawing.Imaging.ImageFormat.Tiff);
Microsoft.Test.Logging.GlobalLog.LogFile(capturedName);
// Save actual filtered for easy analysis
if (captureFiltered != null)
{
string filteredRenderedName = ".\\ActualFiltered_" + data.Index + IMAGE_EXTENSION;
using (Bitmap filteredRendered = ImageUtility.ToBitmap(captureFiltered))
{
SetMetadataToImage(filteredRendered);
filteredRendered.Save(filteredRenderedName, System.Drawing.Imaging.ImageFormat.Tiff);
}
Microsoft.Test.Logging.GlobalLog.LogFile(filteredRenderedName);
}
// Master might need to be updated, save with correct name and metadata
//
// In this image, encode full criteria
string name = System.IO.Path.GetFileName(data.MasterName);
string originalName = name.Replace(IMAGE_EXTENSION, "_FullCtriteria" + IMAGE_EXTENSION);
Microsoft.Test.Logging.GlobalLog.LogStatus("Saving master with all criteria (new master) as '" + originalName + "'");
SetMetadataToImage(data.CapturedImage);
data.CapturedImage.Save(originalName, System.Drawing.Imaging.ImageFormat.Tiff);
Microsoft.Test.Logging.GlobalLog.LogFile(originalName);
//
// In this image, encode only criteria that match the master
string originalNameFull = name.Replace(IMAGE_EXTENSION, "_MatchingCriteria" + IMAGE_EXTENSION);
Microsoft.Test.Logging.GlobalLog.LogStatus("Saving master with matching criteria encoded (to replace previous master) as '" + originalNameFull + "'");
MasterMetadata metadata = ImageMetadata.MetadataFromImage(data.MasterImage);
// Keep master Criteria but update its Description.
IMasterDimension[] keys = new IMasterDimension[metadata.Description.Count];
metadata.Description.Keys.CopyTo(keys, 0);
for (int t = 0; t < keys.Length; t++)
{
metadata.Description[keys[t]] = keys[t].GetCurrentValue();
}
ImageMetadata.SetMetadataToImage(metadata, data.CapturedImage);
data.CapturedImage.Save(originalNameFull, System.Drawing.Imaging.ImageFormat.Tiff);
Microsoft.Test.Logging.GlobalLog.LogFile(originalNameFull);
// first save error diff image
string errorDiffFilterName = ".\\ErrorDiffFiltered_" + data.Index + IMAGE_EXTENSION;
if (data.ToleranceSettings.Filter == null)
{
// Not filter were applied, change name (so it's not confusing)
errorDiffFilterName = ".\\ErrorDiff_" + data.Index + IMAGE_EXTENSION;
}
ImageUtility.ToImageFile(ic.GetErrorDifference(ErrorDifferenceType.IgnoreAlpha), errorDiffFilterName);
Microsoft.Test.Logging.GlobalLog.LogFile(errorDiffFilterName);
}
data.Result.IsCompleted = true;
if (data.SynchronizationObject != null)
{
data.SynchronizationObject.Set();
}
}
